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1. SSner INSTRUCTION MANUAL WIRE TRACER LKZ 710 CE Version 1 6 11 March 2010 Wire tracer LKZ 710 is intended to locate electrical cabling embedded in different materials concrete bricks timber in buildings The cables can be de tected regardless whether they are live or not Tracer s main features Detection of cables in ceilings walls and floors Detection of the place of shorted circuits using an external power source Locating of switches and fuses Identification of cables in an installation 2 Sonel S A CONTENTS 1 INTRODUCTION sise css teintene rires leviers i eteis diet 5 2 SAFETY siccscesvevesssssscasceswsvecdeeaavasvedesscesegevcosvedsaddeneees ns Toi ets dense 6 3 PREPARING THE DEVICE FOR WORK ss 7 4 EQUIPMENT DESCRIPTION sesesseessvevevessvneesensnsvessnsssvensnne 8 4 1 TRANSMITTER LKN 710 ou cecccccecccccecessssseceeececeensnseeeeeeeeeenes 8 4 2 RECEIVER LKO 710 herorororerenonnrnrnvnrsernennvrnensseensnnrnnnenssesrennnen 9 4 2 1 PANEL sake occ iets E ee tes cea PoE EBS 9 4 2 2 Sound signals 10 4 3 LEADS Lekse EE A A A dur AA te tra tete tete ete 10 5 WORKING PRINCIPLES sesveesessssvvnnvnvesssnnnnnnennesessnnnnnnensesen 11 5 1 GENERAL INFORMATION inserer 11 35 2 TRANSMITTER eno ae oi ne e ia E E E RE ET 11 5 3 RECEIVER ho nee tone ar REET 11 5 4 CLOSED CIRCUIT MEASUREMENTS u ess 12 6 SYSTEM WORKING MODE ssevsevsessssssnnnnvnve2. Tracing Water Pipes and Heating Pipelines The procedure is the same as for locating cables in a closed circuit Fig 10 i 11 Note You need to take into account that the current flowing through a metal pipe to the earth will do so using all possible routes Sonel S A 19 steel element Fig 10 Tracing earthed pipes Fig 11 Tracing pipes that are not earthed 7 8 Tracing the ducts Described locating methods can be used to investigate routings of chan nels and holes A couple of examples are shown on the drawings below 20 Sonel S A Fig 12 Investigating channels routings Sonel S A 21 8 Trouble Shooting If the 4 LED is not lit and the conditions for the current flow in the tested circuit are met the transmitter is faulty 9 Power Supply 9 1 Batteries The LKN 710P transmitter uses an external direct current minimum 12V or an alternating current source minimum 24V NOTE Using the transmitter with a voltage higher than 250 V AC may damage the device 9 2 Replacement of Batteries in the Receiver Fig 13 Replacement of the battery in the LKO 710 receiver Receiver LKO 710 is powered from a 6F22 9V battery NOTE If a battery leaks inside the instrument send the device to a service agent To replace the battery 1 Turn the receiver off 2 Remove the battery cover in the bottom part of the housing
3. proper sensitivity of the receiver see 7 1 Move the head from one fuse to another and select the proper sensitivity of the receiver see 7 1 locate the appropriate fuse according to the maxi mum signal strength Fig 7 Fig 7 Identification of circuit breakers in a distribution board Note Because modern fuses and in particular RCDs have inside one or more coils it may be necessary to try different ways of positioning the receiver and a number of attempts to locate a fuse will be required O Sonel S A 17 7 4 Locating Short Circuits between Leads WARNING Before a measurement check if the cables are live If yes then cut off the power e Connect one of the transmitter leads 1 or 2 to one of the shorted wires connect the second transmitter lead to the power source min 12 V DC or 24 V AC Fig 8 e After the transmitter is connected the 4 LED should flash oureun e Use the 3 button to set the proper level of the transmitter output sig nal e Press the 6 button to turn on the receiver the current mode M will be active e Move the head of the receiver along the tested wire Fig 4 in the direction the signal is getting stronger select the proper sensitivity of the receiver see 7 1 The signal strength decreases or the signal disappears when moving from
4. PN EN 61010 1 Tightness transmitter and receiver in accordance with PN EN 60529 IP40 Transmitters power supply EE me external power source AC min 24V or DC min 12V Receiver s power SUpply battery 6LR61 9V alkaline Transmitter s max working voltage A 250Vrms 353Vampl Transmitters dimensions 128 x 66 x 28 mm Transmitter sS massa Ascii wieat anda Ar Er nan Aro En ca 250 g Receiver s dimensions ja Receivers MASS ioe raspe ere rs raie ane nr drain Working temperature arranrnnnrrnnnnnnnnnnnrnnnnnnnnnnnrrnnnnnnnnnnnnrnnnnnnnen Storage temperature ae de 20 60 C Nominal temperature srrrrnnnnnrnnnvrrnnnnnnvrnnnrrnnnnnnnnnnnrrnnnnnernsnnnrnnnnn 23 2 C Detector s max range i eaa aa SEAE Ene AVENE RNS 0 6m Non contact voltage tester max range in air IN GONGrete sr 0 03m Quality standards design and manufacturing ISO 9001 compliant 13 2 Standard Accessories Standard accessories comprise LKN 710 transmitter WMPLLKN710 LKO 710 receiver WMPLLKO710 pin probe with banana socket black WASONBLOGB1 pin probe with banana socket yellow WASONBLOGB1 K01 crocodile clip black WAKROBL20K01 KO2 crocodile clip yellow WAKROYEK02 instruction manual M1 case 6F22 battery 13 3 Optional Accessories You can purchase the following optional accessories from the manufac turer or the distributors 24 lead 20 m on spo
5. amaged leads with the transmitter can be dangerous for the op erator of the device 10 Sonel S A 5 Working Principles 5 1 General Information LKZ 710 system consists of two components transmitter and receiver The transmitter connected to the circuit being traced generates magnetic M mode field around the circuit It is created as a result of a suitably modulated current flowing through the tested closed circuit Note The transmitter LKN 710P co operates with the receiver LKO 710 as well as with voltage tester P 3 see Manual LKN 710P The transmitter placed alongside the tested circuit detects the modulated field and notifies the user Mapping of the circuit cable route or its defects is possible through observation of the detected signal intensity level 5 2 Transmitter Electromagnetic signals broadcast by the transmitter are appropriately modulated Therefore it is possible to differentiate between them and other sig nals that may be present in the tested circuit or its immediate vicinity The 3 un P ml button can be also used to set also sequentially one of two power levels e low LED 4 is blinking red slowly e high LED 4 is blinking red quickly e P 3 voltage tester working mode LED 4 is shining green LED remaining switched off signals that the tested circuit is dead or that the transmitter is damaged 5 3 Receiver Receiver s antenna 5 hides
6. and safe to operate Nevertheless familiarization With this manual will help you avoid errors and possible problems that might oc cur while using the device This instruction manual uses three types of warnings They are framed texts describing possible threats for a user and for the equipment Texts that start with a word WARNING describe situations that can become hazardous if the instructions are not followed The word NOTE at the beginning of the framed text signals a situation where non adherence to the instruction can damage the equipment Other possible problems are signalled by a Note flag WARNING Before using the device read carefully this manual follow all occupa tional health and safety rules and manufacturer s recommendations WARNING LKZ 710 is intended for searching and locating power lines in walls Us ing the device for purposes other then described in this manual can cause an injury to the operator and or can damage the device WARNING LKZ 710 may be used only by qualified personnel who are certified to work with electrical installations Operating the instrument by a person who is not qualified can result in a hazardous situation and or can cause damage to the device O Sonel S A 5 2 Safety WARNING Using a device that has damaged housing or with leads that have dam aged insulation can be a source of a safety hazard To ensure proper use and correctnes
7. asurements Measurements can be performed in a closed circuit provided that a cur rent flow can be induced in the circuit This is the case in a healthy line with line s voltage of 230V the circuit is closed by a transformer and also in a shorted line using the external power source In all described situations the de tection is done by evaluating the magnetic component of the field Fig 4 illus trates the direction of the magnetic field lines around the cable in which the modulated current flows and the placement of the receiver allowing for the highest possible intensity of the received signal 1 A C lt gt l B Fig 4 Magnetic field detection Directional properties of the receiver can be observed when we try to change its position in relation to the cable in directions indicated by the arrows Swinging the receiver only in directions A does not change the signal level since the magnetic field detector does not change is position in relation to the magnetic field lines On the other hand rotating the receiver around its axis ar row C will cause gradual signal deterioration until it disappears when rotating the device by 90 Similarly when swinging the receiver in direction D around the axis of the receiver s aerial Also moving the receiver away from the cable B will weaken the signal as a result of a decrease in field s strength with an increase of the distance For a 2 core cable in which the cu
8. eutral wire situated in the remote power socket or to connect to earthed metal water pipe or to a heating pipeline Fig 6 In some cases e g when the return current can flow through earthed structural elements of the building it can be more beneficial for unambiguous localization of the cable to connect both leads of the transmitter to one power point e Connect the second lead to the phase lead in the socket switch etc Fig 6 e After the transmitter is connected the 4 LED should flash 16 O Sonel S A Use the 3 button to set the proper level of the transmitter output sig nal Press the 6 button to turn on the receiver the current mode M will be active Move the head of the receiver along the tested wire Fig 4 in the direction the signal is getting stronger select the proper sensitivity of the receiver see 7 1 7 3 Identification of Fuses on the Distribution Board Connect one of the transmitter leads 1 or 2 to the neutral lead of the socket connect the second lead of the transmitter to the phase lead After the transmitter is connected the 4 LED should flash Use the 3 button to set the proper level of the transmitter output sig nal Press the 6 button to turn on the receiver the current mode M will be active Move the head of the receiver along the tested wire Fig 4 in the direction the signal is getting stronger select the
9. evel of the receiver is adjusted gradually by choosing one of six sensitivity subranges The adjustment is performed with buttons 7 Q and 8 CE Pressing one of the buttons will light the 9 LED at the begin ning of the scale to indicate the currently used range the number of lit LEDs in dicates the number of the selected subrange The LEDs will automatically ex tinguish after approx 2 seconds To increase the sensitivity amplification press the 8 C button when LEDs indicating the current sensitivity are lit to decrease the sensitivity press the 7 Q button when LEDs indicating the cur rent sensitivity are lit The sensitivity should be decreased when the rightmost LED indicating the signal strength on the scale 9 will be lit the sensitivity should be increased when the leftmost LED will light Sonel S A 15 Note The rightmost LED indicates subrange lights stronger than other LEDs which helps to see it in strong external light 7 2 Detection of Cables in Ceilings Walls and Floors 7 2 1 Live Cables Fig 6 Detection of cables different ways of connecting the transmitter e Connect one of the transmitter leads 2 to the earthing system Note To avoid the field compensation effect when the current flows through two cores of the cable in opposite directions you need to use ground ing the earth or the n
10. he neutral wire The voltage that exists in this circuit is used by the transmitter to generate a current signal max 20mA in a form of high frequency impulses with the amplitude modulated by a lower fre quency signal distributed over the time in the specific way The magnetic com ponent of the field generated in this way is then detected by the receiver 14 O Sonel S A 7 Measurements NOTE The transmitter is designed to work with the rated voltage of 230V Connecting the device to a voltage that exceeds 250VAC can damage the instrument WARNING You must not leave one lead disconnected from the device while the other one is connected to the tested installation You must not leave the device connected to tested installation without supervision WARNING Always connect the transmitter to the ground first and only than to the phase wire Note It is necessary to use a power source strong enough to generate a proper test current When the current is generated the 4 LED flashes Note In objects with working appliances the receiver may display a level of noise signals You should take into account the signal level only if the LED 13 M is on Note You have to recon with incorrect readings due to induction of current signals in closed circuits in buildings window frames metal frame work concrete reinforcements etc 7 1 Amplification sensitivity adjustment The amplification l
11. in combination with the 8 e button to change the working mode current or non contact voltage tester mode o Sonel S A 9 8 e button e Increasing the subrange sensitivity of the receiver e Press this button in combination with the 7 button to change the working mode current or non contact voltage tester mode 9 LED indicator Shows the subrange of the receiver and the intensity of the magnetic or electric field 10 M LED Indicates that the current circuit of the receiver is active 11 7 LED Indicates that the non contact voltage tester mode is active 12 LED Indicates that the battery is discharged 13 TRANSMITTER M DIODE Indicates detection of the transmitter signal ma Z LED Indicates detection of the 50 60 Hz electric field from the phase leads non contact voltage tester mode 4 2 2 Sound signals Confirmation signals and others Single short sound signal e change ofthe sensitivity subrange Two short sound signals e activation or deactivation of the subrange indication Three short sound signals e change of the receiver working mode Single long sound signal approx 0 5 s e indicates that the lowest or highest subrange has been reached e indicates that the button is not active 4 3 Leads Crocodile clips and probes provided with the leads can be placed on ca ble terminators WARNING Using d
12. nessssnnnnnnensesen 14 7 MEASUREMENTS eeeesesenevvevsesesssnnnnensesessnnnnnnennenessnnnnnnensesen 15 7 1 AMPLIFICATION SENSITIVITY ADJUSTMENT 15 7 2 DETECTION OF CABLES IN CEILINGS WALLS AND FLOORS 16 7 2 1 Live Ca DIES kno tnt nee AE ea ei 16 7 3 IDENTIFICATION OF FUSES ON THE DISTRIBUTION BOARD 17 7 4 LOCATING SHORT CIRCUITS BETWEEN LEADS 18 7 5 TRACING THE SHIELDED WIRES ccsesscceeeeeceesensececeeeeeenes 18 7 6 TRACING SHIELDED CABLES 19 7 7 TRACING WATER PIPES AND HEATING PIPELINES 19 7 8 TRACING THE DUCTS needed 20 8 TROUBLE SHOOTING vovvesvesessssnnnnensesessnnnnnnensesessnnnnnnennesen 22 9 POWER SUPPLY secscsicecccsscsececcecscscesussseteseconsveaensscecceseeteososese 22 9 1 BATTERIES Gade bens cane eed doe 22 9 2 REPLACEMENT OF BATTERIES IN THE RECEIVER 0645 22 10 CLEANING AND MAINTENANCE ccccccsssssersscccssssees 23 TT STORAGE sister ts Sonir ei NS Tena 23 12 DECOMMISSIONING AND RECYCLING cccccccsseees 23 13 APPENDICES sic seccfbsitssecvoccsadsacssccscossccnscsabousscusscuaseosvesssesons 24 13 1 TECHNICAL SPECIFICATIONS sise 24 Sonel S A 3 13 2 13 3 13 4 STANDARD ACCESSORIES ses OPTIONAL ACCESSORIES see essences THE MANUFACTURER ccccccccscscscsescsesesesesesesesesesesesssssssesess Sonel S A 1 Introduction Thank you for choosing our wire tracer LKZ 710 is a state of the art high quality device that is simple
13. ol with banana plug WAPRZ020REBBSZ Test probe 26cm for driving into the ground WASONG26 Sonel S A 13 4 The Manufacturer The manufacturer of the device provides all warranty and after warranty repairs SONEL S A ul Wokulskiego 11 58 100 Swidnica Poland tel 48 74 858 38 60 fax 48 74 858 38 09 E mail export sonel pl Web page www sonel pl Note Only the manufacturer is authorised to do any repairs Sonel S A 25
14. press with 22 Sonel S A your finger next to the latch and remove the cover sliding it in the direction indicated by the arrow Remove the battery Insert a new battery paying attention to correct orientation Replace the removed cover oh wo 10 Cleaning and Maintenance The housing of the meter should be cleaned with a soft damp cloth using a general purpose detergent Do not use any solvents or any abrasive cleaning agents The electronic circuitry is maintenance free 11 Storage When storing the device you should e Disconnect all leads from the meter e Ensure that the device and all accessories are dry e Ensure that the batteries are removed if the device is not going to be used for a prolonged period of time e Storage temperatures listed in the technical specification are acceptable 12 Decommissioning and Recycling Decommissioned electrical equipment should be stored separately from other type of waste Decommissioned electrical equipment should be sent to an appropriate waste depot in compliance with legal acts governing electronic waste manage ment Do not disassemble the equipment before sending it to a waste depot Follow local legislation regulating disposal of packaging and batteries Sonel S A 23 13 Appendices 13 1 Technical Specifications Type of the transmitter insulation double PN EN 61010 1 compliant Metrological category of the transmitter IT 300V wg
15. rrent flows through one of the cores in one direction and in the opposite direction through the other core the magnetic field strength is much lower than in a single core cable since the fields gener ated by the cores cancel each other out The greater the distance between the cores the stronger is the magnetic field This phenomenon is utilised for detect ing all sorts of inconsistencies in power lines e g cable boxes switches stub cables cable ducts constrictions etc A different field distribution is created around a twisted pair cable It is not uniform and changes periodically depending on the relative position of the cores Fig 5 It has to be taken into account when tracking a cable or locating cable faults 12 Sonel S A neti d inten i DX gt gt gt ER Twisted pair ca ble Fig 5 Magnetic field distribution around a twisted pair cable O Sonel S A 13 6 System working mode The system operates in the M current mode and can be used with un damaged leads under a voltage of 230 V AC or in closed circuits for example shorted leads It uses external direct current minimum 12 V or an alternating current source minimum 24 V NOTE The transmitter is designed to work with the rated voltage of 230V Connecting the device to a voltage that exceeds 250VAC can damage the instrument One of the transmitter s output terminals is connected to the phase wire of the tested cable and the other one to t
16. s of obtained results adhere to the following recommendations e Before starting to use the device you have to become thoroughly familiar with this manual e The device should be operated only by persons holding appropriate qualifi cations and who attended appropriate occupational health and safety train ing e Itis not acceptable to use the device that is damaged in any way and is partially or fully inop erative use leads with damaged insulation use the meter stored in inappropriate conditions e g high humidity for a prolonged period of time e Repairs can be performed by authorised service agents only NOTE The transmitter is designed to work with a rated voltage of 230V Connecting the device to a voltage that exceeds 250VAC can damage the instrument WARNING The instrument must not be used with installations or equipment situ ated in dangerous environments e g where fire or explosion hazards exists 6 Sonel S A 3 Preparing the Device for Work Before you start locating cables check if the transmitter s housing and leads insulation are not damaged WARNING Using leads with damaged insulation can case electrocution WARNING You must not leave one lead disconnected from the device while the other one is connected to the tested installation You must not leave the device connected to the tested installation with out supervision WARNING Do not use a device that
17. the point of shorting Power source min 12V DC or 24V AC Fig 8 Locating a short circuit in a cable Note For increased accuracy of the short circuit localization the test should be repeated starting from the other end of the cable When locating a short circuit point in a twisted pair cable you need to take into account heterogenous field distribution along the cable Fig 5 7 5 Tracing the shielded wires e Connect one of the transmitter leads 1 or 2 to the shield of the wire and the second lead to the grounded source of the direct or alternating cur rent Fig 9 e After the transmitter is connected the 4 LED should flash e Use the 3 button to set the proper level of the transmitter output sig nal 18 O Sonel S A e Press the 6 button to turn on the receiver the current mode M will be active e Move the head of the receiver along the tested wire Fig 4 in the direction the signal is getting stronger select the proper sensitivity of the receiver see 7 1 Fig 9 Tracing the shielded wires 7 6 Tracing Shielded Cables Procedure is the same as the one described in section 7 2 You only have to take into account that in steel ducts the signal is subject to attenuation On the other hand aluminium and plastic ducts have no impact on the signal level 7 7
18. two sensors an electric field detector and a magnetic field detector The electric field detector has an aerial shaped in a form of a metal plate The magnetic field detector has an aerial shaped as a coil The way the aerials are located Fig 3 influences directional characteris tics of the receiver An electric field detector s antenna Fig 3 Location of sensors in receiver s antenna Electric or magnetic field strength is indicated by the LED indicator 9 deflection blinking LED Sensitivity of the receiver is increased with 8 gt button and decreased with 7 button Pressing one of the two buttons causes litting of LEDs illustrating currently used sensitivity range and the next Sonel S A 11 pressing its increasing or decreasing Receiver s work mode is switched sequentially by simultaneous pressing the 7 and 8 buttons which is accompanied by LED 10 M or fr being lit The LED 13 TRANSMITTER M is lit when the receiver indicates the transmitter s signal In the non contact neon mode the receiver can detect if the tested line is live and can also locate a live cable The receiver detects an electric field 50 60Hz displaying its strength on the LED gauge 9 and after exceeding cer tain level it turns on the 14 Z In this mode the switching of ranges does not work 5 4 Closed Circuit Me
19. was stored for a prolonged period of time in unsuitable e g humid conditions Sonel S A 7 4 Equipment Description 4 1 Transmitter LKN 710P L MAX 250 V RMS 3 CAT III 300V LKN 710P 4 OUTPUT POWER 3 Serial No Fig 1 Transmitter of the tracer panel test lead Lead used to connect the transmitter with the tested circuit 2 test lead Lead used to connect the transmitter with the tested circuit NOTE The transmitter is designed to work with a nominal voltage of 230 V Using the transmitter with a voltage higher than 250 V AC may damage the device 3 button Setting the output power of the transmitter Mode switching 4 LED Indicates the working mode and power level of the transmitter e red colour of shining LKZ 710 working mode LED is blinking slowly small transmitter power 8 Sonel S A LED is blinking quickly big transmitter power e green colour of shining P 3 voltage tester working mode 4 2 Receiver LKO 710 4 2 1 Panel MODE LKO 710 rer ce A Fig 2 Receiver of the tracer panel 5 Head Contains a magnetic and electric field detector button Allows to turn the receiver on and off 7 Q button e Decreasing the subrange sensitivity of the receiver e Press this button
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